DS-KIS203 Video Door Phone
Specifications:
Audio Parameters
• Audio Input : Built-in Omnidirectional Microphone
• Audio Output : Built-in Loudspeaker
• Audio Quality : Noise Suppression and Echo Cancellation
Video Parameters
• Camera : 1/4" CMOS
• Resolution : 720 × 576
• Video frame rate : PAL: 25 fps
Device Interfaces
• I/O Output : 1 Relay Output
• Four wire interface : 1 Four-Wire Interface (1-ch Video Input, 1-ch Audio Input/Output, 1-ch Power Supply, 1-ch Grounding)